CN1241035C - 光漫射片 - Google Patents

光漫射片 Download PDF

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Publication number
CN1241035C
CN1241035C CNB028092244A CN02809224A CN1241035C CN 1241035 C CN1241035 C CN 1241035C CN B028092244 A CNB028092244 A CN B028092244A CN 02809224 A CN02809224 A CN 02809224A CN 1241035 C CN1241035 C CN 1241035C
Authority
CN
China
Prior art keywords
light
light diffusing
surface roughness
area ratio
surface area
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB028092244A
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English (en)
Chinese (zh)
Other versions
CN1505764A (zh
Inventor
濑宏一
大村裕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Takiron Co Ltd
Original Assignee
Takiron Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2001357616A external-priority patent/JP4067814B2/ja
Application filed by Takiron Co Ltd filed Critical Takiron Co Ltd
Publication of CN1505764A publication Critical patent/CN1505764A/zh
Application granted granted Critical
Publication of CN1241035C publication Critical patent/CN1241035C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0221—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having an irregular structure
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
CNB028092244A 2001-11-22 2002-06-21 光漫射片 Expired - Fee Related CN1241035C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001357616A JP4067814B2 (ja) 2000-11-22 2001-11-22 光拡散シート
JP357616/2001 2001-11-22

Publications (2)

Publication Number Publication Date
CN1505764A CN1505764A (zh) 2004-06-16
CN1241035C true CN1241035C (zh) 2006-02-08

Family

ID=19168933

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB028092244A Expired - Fee Related CN1241035C (zh) 2001-11-22 2002-06-21 光漫射片

Country Status (5)

Country Link
US (1) US6963451B2 (fr)
EP (1) EP1447686A4 (fr)
KR (1) KR100645238B1 (fr)
CN (1) CN1241035C (fr)
WO (1) WO2003044572A1 (fr)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI461758B (zh) * 2003-08-13 2014-11-21 Sumitomo Chemical Co 製備抗眩光學膜的方法
JP4182236B2 (ja) * 2004-02-23 2008-11-19 キヤノン株式会社 光学部材および光学部材の製造方法
JP4727574B2 (ja) 2004-03-03 2011-07-20 株式会社きもと バックライト装置
WO2005085915A1 (fr) * 2004-03-03 2005-09-15 Kimoto Co., Ltd. Film régulateur de lumière et dispositif de rétroéclairage utilisant ledit film
US7280170B2 (en) * 2004-05-25 2007-10-09 General Electric Company Optical film, light-diffusing film, and methods of making and using the same
JP4559149B2 (ja) * 2004-07-23 2010-10-06 オリンパス株式会社 照明光学系、照明光学系を用いた照明装置、及び照明光学系又は照明光学系を用いた照明装置を用いた観察システム
DE102005002106B3 (de) * 2005-01-14 2006-04-13 Drägerwerk AG Vorrichtung zur Analyse der qualitativen Zusammensetzung von Gasen
KR20060105193A (ko) * 2005-04-01 2006-10-11 삼성전자주식회사 하이브리드-확산판과, 이를 갖는 백라이트 어셈블리 및표시장치
TW200700828A (en) * 2005-06-20 2007-01-01 Chi Lin Technology Co Ltd Diffusion brightness enhancement device
WO2007034715A1 (fr) * 2005-09-21 2007-03-29 Konica Minolta Opto, Inc. Pellicule anti-éblouissante, antireflet et son procédé de fabrication
US20070171529A1 (en) * 2005-10-26 2007-07-26 Speed Tech Corp. Method for manufacturing optical element
WO2007058033A1 (fr) * 2005-11-15 2007-05-24 Asahi Kasei Chemicals Corporation Plaque de diffusion de lumiere pour affichage a cristaux liquides
TW200725076A (en) * 2005-12-29 2007-07-01 Speed Tech Corp Method of adjusting diffusing and condensing light ability of optical element
KR100801591B1 (ko) * 2005-12-30 2008-02-11 제일모직주식회사 액정표시장치 백라이트 유닛용 광확산판
US7320823B2 (en) * 2006-02-14 2008-01-22 Kimoto Co., Ltd. Light diffusing body and a transmission type screen
US20070205706A1 (en) * 2006-03-01 2007-09-06 General Electric Company Optical Substrate Comprising Boron Nitride Particles
TW200743874A (en) * 2006-05-29 2007-12-01 Chi Lin Technology Co Ltd Composite optical substrate
US20070281129A1 (en) * 2006-06-06 2007-12-06 Chi Kwong Chan Diffuser films and methods for making and using the same
KR20090075666A (ko) * 2006-08-29 2009-07-08 다키론가부시키가이샤 광 확산 시트 및 백라이트 유닛
US20080062525A1 (en) * 2006-09-11 2008-03-13 Entire Technology Co., Ltd. Diffusion plate having surface microstructure
CN101191863B (zh) * 2006-11-20 2012-02-01 鸿富锦精密工业（深圳）有限公司 光学板的制备方法
CN101191853B (zh) * 2006-12-01 2011-02-09 鸿富锦精密工业（深圳）有限公司 光学板
CN101191845A (zh) * 2006-12-01 2008-06-04 鸿富锦精密工业（深圳）有限公司 光学板
CN101196575A (zh) * 2006-12-08 2008-06-11 鸿富锦精密工业（深圳）有限公司 光学板
EP2098357B1 (fr) * 2006-12-28 2012-06-06 MGC Filsheet Co., Ltd. Film polymère
KR100884080B1 (ko) * 2007-05-29 2009-02-19 제일모직주식회사 광특성 및 내열성이 우수한 ｌｃｄ 백라이트 유닛용광확산판
CN101315487B (zh) * 2007-05-30 2010-06-02 奇菱科技股份有限公司 光学扩散膜片及其应用
KR100912262B1 (ko) * 2007-08-28 2009-08-17 제일모직주식회사 균일한 표면 거칠기를 가지는 광확산 필름 및 그 제조방법
US7684118B2 (en) * 2007-11-19 2010-03-23 Entire Technology Co., Ltd. Diffusion plate and diffusion plate assembly
JP2009223198A (ja) * 2008-03-18 2009-10-01 Sumitomo Chemical Co Ltd 輝度向上フィルム積層光拡散板及びその製造方法
DE102009028882A1 (de) * 2008-08-29 2010-04-08 Samsung Corning Precision Glass Co., Ltd., Gumi Hybrider optischer Film, Anzeigevorrichgung mit demselben und Verfahren zur Herstellung desselben
JP2014142366A (ja) * 2011-05-13 2014-08-07 Sharp Corp 光拡散部材およびその製造方法、表示装置
JP6287837B2 (ja) * 2012-07-27 2018-03-07 コニカミノルタ株式会社 有機エレクトロルミネッセンス素子
KR101454757B1 (ko) * 2012-10-29 2014-10-27 코닝정밀소재 주식회사 광확산판, 이의 제조방법, 및 이를 포함하는 led 조명기구
JP5843805B2 (ja) * 2013-03-28 2016-01-13 京セラドキュメントソリューションズ株式会社 表示装置
JP6885877B2 (ja) * 2015-04-24 2021-06-16 スリーエム イノベイティブ プロパティズ カンパニー グレーデッド拡散体
US20170199309A1 (en) * 2016-01-12 2017-07-13 Optivision Technology Inc. Optical device and diffusion film
KR20210121973A (ko) * 2020-03-31 2021-10-08 코닝 인코포레이티드 도광패널 및 이를 포함하는 조명장치
CN111650674B (zh) * 2020-06-08 2022-07-12 苏州奥浦迪克光电技术有限公司 近红外、可见光双波段深色透光膜片及其制备方法、透光模组
TWI789017B (zh) * 2021-09-17 2023-01-01 明基材料股份有限公司 高霧度防眩膜以及高霧度防眩抗反射膜

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2660927A (en) * 1949-12-12 1953-12-01 Charles G Burton Projection screen
JPS643068Y2 (fr) * 1987-08-12 1989-01-26
JPH04356015A (ja) * 1991-03-22 1992-12-09 Tosoh Corp バックライト
CA2088113C (fr) * 1992-01-27 1999-03-30 Tomohiro Yokota Feuille de reglage de l'eclairement pour dispositif d'eclairage planar et dispositif d'eclairage planar et afficheur a cristaux liquides utilisant cette feuille
JP2665301B2 (ja) 1992-09-09 1997-10-22 惠和商工株式会社 光拡散シート材
JP2562265B2 (ja) 1992-11-11 1996-12-11 積水化学工業株式会社 光制御シート
JP2742880B2 (ja) * 1994-08-12 1998-04-22 大日本印刷株式会社 面光源、それを用いた表示装置、及びそれらに用いる光拡散シート
JP3373106B2 (ja) * 1996-03-27 2003-02-04 株式会社きもと 光学フィルム
JPH09281492A (ja) * 1996-04-16 1997-10-31 Matsushita Electric Ind Co Ltd 照明ユニット及びそれを用いた液晶表示装置
JP3753785B2 (ja) 1996-05-14 2006-03-08 日東電工株式会社 光拡散フィルムおよびそれを用いた面光源装置
US6280063B1 (en) * 1997-05-09 2001-08-28 3M Innovative Properties Company Brightness enhancement article
JP4049884B2 (ja) * 1998-04-14 2008-02-20 日本合成化学工業株式会社 光拡散層及びその用途
JP3797641B2 (ja) * 1998-07-16 2006-07-19 日東電工株式会社 光拡散層、光学素子及び液晶表示装置
RU2224269C2 (ru) * 1998-07-31 2004-02-20 Ниппон Каяку Кабусики Кайся Рефлекторы и трансфлекторы
JPH11337711A (ja) 1999-04-21 1999-12-10 Tsujiden:Kk 高光拡散性フィルム
US6347873B1 (en) * 1999-07-08 2002-02-19 Physical Optics Corporation Backlight assembly with a light pipe having an integral surface diffuser
US6845212B2 (en) * 1999-10-08 2005-01-18 3M Innovative Properties Company Optical element having programmed optical structures
JP2001201613A (ja) * 1999-11-10 2001-07-27 Mitsui Chemicals Inc 光拡散板
JP2001305335A (ja) * 2000-04-18 2001-10-31 Sumitomo Chem Co Ltd 液晶表示装置用部材
JP4557389B2 (ja) * 2000-06-02 2010-10-06 大日本印刷株式会社 保護拡散フィルム、面光源装置及び液晶表示装置

Also Published As

Publication number Publication date
WO2003044572A1 (fr) 2003-05-30
CN1505764A (zh) 2004-06-16
KR100645238B1 (ko) 2006-11-13
EP1447686A1 (fr) 2004-08-18
EP1447686A4 (fr) 2006-12-20
US6963451B2 (en) 2005-11-08
US20040160673A1 (en) 2004-08-19
KR20040067873A (ko) 2004-07-30

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C06 Publication
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C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20060208

Termination date: 20140621

EXPY Termination of patent right or utility model